Answered: A rubber ball (4 kg) falls from a…

A rubber ball (4 kg) falls from a height of 50 m and collides elastically with the floor. What is the velocity of the ball just after it rebounds from the floor?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

A rubber ball (4 kg) falls from a height of
50 m and collides elastically with the floor.
What is the velocity of the ball just after it
rebounds from the floor?

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